I have a pair of like new Burris 1" XTR Signature rings. Customizable Cant 5 to 40 MOA. No lapping required. Height is 1" measured from center of rings to underside of base where Weaver style rings clamp onto base. These are the lowest rings of this type that Burris makes. They are matte black. Price is $45.00 and I'll pay the shipping. Payment with bank or postal money order only. If interested send me a PM.